Rexburg weather in December: Rexburg, Idaho: normal highs, lows, rain and records for December
Rexburg in December has a normal high of 29°F and a normal low of 14°F, a daily mean of 22°F, falling from 33°F on the 1st to 28°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 0.99 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −1°C and low of −10°C, 25 mm of precipitation in December.
- NOAA stationRexburg Madison County Airport
- Station IDUSW00094194
- Location43.83°N 111.80°W
- Elevation4,858 ft (1,481 m)
- From the center1 miles
- Population40,695
- Jan 28° 13°
- Feb 32° 16°
- Mar 45° 25°
- Apr 56° 32°
- May 66° 40°
- Jun 74° 46°
- Jul 85° 52°
- Aug 84° 50°
- Sep 73° 42°
- Oct 57° 32°
- Nov 41° 23°
- Dec 29° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rexburg in December?
The normal high is 29°F and the normal low 14°F, for a daily mean of 21.8°F. December is 10.3°F cooler than November and 1.5°F warmer than January. December is the 11th warmest month of the year in Rexburg and the 6th wettest. Across the month the normal high falls 5°F, from 33°F on December 1 to 28°F on December 31. From one year to the next December's mean temperature typically moves about 4.0°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 18°F and 26°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 33°F | 18°F | 29% | 8% |
| December 8 | 31°F | 16°F | 31% | 9% |
| December 15 | 29°F | 14°F | 33% | 9% |
| December 22 | 28°F | 13°F | 34% | 10% |
| December 31 | 28°F | 12°F | 35% | 11% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 33°F | 18°F | 29% | 8% | 9 h 10 min |
| December 2 | 33°F | 18°F | 29% | 8% | 9 h 10 min |
| December 3 | 33°F | 17°F | 29% | 8% | 9 h 10 min |
| December 4 | 32°F | 17°F | 30% | 8% | 9 h 10 min |
| December 5 | 32°F | 17°F | 30% | 8% | 9 h 10 min |
| December 6 | 31°F | 16°F | 30% | 8% | 9 h |
| December 7 | 31°F | 16°F | 30% | 9% | 9 h |
| December 8 | 31°F | 16°F | 31% | 9% | 9 h |
| December 9 | 30°F | 16°F | 31% | 9% | 9 h |
| December 10 | 30°F | 15°F | 31% | 9% | 9 h |
| December 11 | 30°F | 15°F | 32% | 9% | 9 h |
| December 12 | 30°F | 15°F | 32% | 9% | 9 h |
| December 13 | 29°F | 15°F | 32% | 9% | 9 h |
| December 14 | 29°F | 14°F | 33% | 9% | 9 h |
| December 15 | 29°F | 14°F | 33% | 9% | 9 h |
| December 16 | 29°F | 14°F | 33% | 10% | 9 h |
| December 17 | 29°F | 14°F | 33% | 10% | 9 h |
| December 18 | 28°F | 13°F | 33% | 10% | 9 h |
| December 19 | 28°F | 13°F | 33% | 10% | 8 h 50 min |
| December 20 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 21 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 22 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 23 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 24 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 25 | 28°F | 13°F | 34% | 10% | 8 h 50 min |
| December 26 | 28°F | 12°F | 35% | 10% | 8 h 50 min |
| December 27 | 28°F | 12°F | 35% | 10% | 9 h |
| December 28 | 28°F | 12°F | 35% | 10% | 9 h |
| December 29 | 28°F | 12°F | 35% | 11% | 9 h |
| December 30 | 28°F | 12°F | 35% | 11% | 9 h |
| December 31 | 28°F | 12°F | 35% | 11% | 9 h |
- Normal high
- 29°FDecember average
- Normal low
- 14°FDecember average
- Precipitation
- 0.99 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 30
- Daylight
- 9 h 10 min to 9 hDecember 1 to December 31
- Sunshine
- 58%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094194; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rexburg in December?
On a given December day the chance of 0.01 inch or more is 32% on average, highest around December 31 (35%). In all, 0.99 in falls on 10 days of a normal December.
In a normal December in Rexburg, 30 nights fall to freezing and 19 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094194.
What are the records for December in Rexburg?
The warmest December temperature on this station's record (since 1998) is 56°F, on December 11, 2014; the coldest is −22°F, on December 21, 1998. The wettest December brought 2.27 in (2010).
The December mean against the 1991-2020 normal of 21.8°F: 2021 27.5°F (+5.7), 2022 20.3°F (−1.5), 2023 27.4°F (+5.6), 2024 29.0°F (+7.2), 2025 34.4°F (+12.6). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 27.5°F | +5.7°F | 1.09 in |
| 2022 | 20.3°F | −1.5°F | 1.28 in |
| 2023 | 27.4°F | +5.6°F | 0.64 in |
| 2024 | 29.0°F | +7.2°F | 1.25 in |
| 2025 | 34.4°F | +12.6°F | 1.94 in |
Source: records: ACIS, station USW00094194; recent months: ACIS, station USW00094194. Records and recent months use complete months only.
How does December in Rexburg compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, December normal highs run from 26°F in Island Park to 44°F in Glenns Ferry; Rexburg's is 29°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.